| Abbreviation | Definition |
|---|---|
| QT | Quarantine Tank |
| QT | Quart |
| QT | Quick Tan |
| QT | Quick Therapy |
| QT | Quiet |
| QTC | Quantitative Tissue Characterization |
| QTH | Quantum Transformational Healing |
| QTL | Quencher Tether Ligand |
| QUT | Quantitative Ultrasound Technology |
| QV | As much as desired |
| QVA | Quantitative Vascular Analysis |
| QVE | Quantified Varus Embodiment |
| QWY | Quality Well Year |
| QYE | Quan Yin Experience |
| R | Reach |
| R | Recto |
| R | Rectum |
| R | Rehabilitate |
| R | Relaxed |
| R&R | Rest and Recuperation |